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LeetCode Problems/Medium3

🧑🏻‍💻 LeetCode Medium Collections 3 - 19 Problems 0003. Longest Substring Without Repeating Characters / 0221. Maximal Square#---------------- (1)class Solution: def lengthOfLongestSubstring(self, s: str) -> int: ans = 0 hashmap = dict() for i in range(len(s)): if s[i] in hashmap.keys(): needs_to_be_deleted_keys = set() for key in hashmap: if hashmap[key] int: .. LeetCode Problems/Medium 2024. 12. 9.
🧑🏻‍💻 LeetCode Medium Collections 2 - 20 Problems 0054. Spiral Matrix / 0739. Daily Temperaturesclass Solution: def spiralOrder(self, matrix: List[List[int]]) -> List[int]: e,s,w,n = [0,1], [1,0], [0,-1], [-1,0] output = [] rows, cols = len(matrix), len(matrix[0]) visited = [[False] * cols for _ in range(rows)] cnt = 0 x, y = 0,0 dirs = [e,s,w,n] dir_i = 0 while True: .. LeetCode Problems/Medium 2024. 10. 31.
🧑🏻‍💻 LeetCode Medium Collections 1 - 20 Problems 0300. Longest Increasing Subsequence / 0053. Maximum Subarrayclass Solution: def lengthOfLIS(self, nums: List[int]) -> int: length = len(nums) dp = [1]*length for x in range(1,length): for y in range(0,x): if nums[y] class Solution: def maxSubArray(self, nums: List[int]) -> int: ans,curmax=-10001,0 for i in range(len(nums)): .. LeetCode Problems/Medium 2024. 9. 9.

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